Soil type ............... Collins silt loam
Soil pH ................. 6.6
Soil fertility .......... P--high, K--medium
Fertilizer added ........ 0-18-36 @ 200 lb/a
Herbicide Application.... Tri-Scept @ 2.33 pts/a
                          Assure @ 8 oz/a
                          Classic @ 0.5 oz/a

Planting date ........... Group IV                      4/10/96
                          Groups V-VI                   5/03/96

Harvest date ............ Group IV Early                9/10/96
                          Group IV Late                 9/25/96
                          Group V E & L                10/14/96
                          Group VI                     10/31/96

Location Summary

Good stand establishment, with marginal wood pressure. Adequate rainfall until July when drier conditions prevailed. Insect pressure was light with grasshopper and beanleaf beetle the primary pests. Disease pressure was moderate, primarily affecting the Group IV soybeans.

Rainfall Summary

             Inches
April......... 1.85
May........... 3.80
June.......... 8.50
July.......... 2.90
August........ 2.10
September..... 3.00
October....... 4.50
 Total........ 26.95

Table 3A. Results of the 1996 Mississippi Soybean Variety Trials on a Collins silt loam soil in DeSoto County (Olive Branch, location 3)

Maturity Group IV		Yield (bu/a)			Maturity date	Plant height (in.)	Lodging score
Variety	Brand	3-Year avg.	2-Year avg.	1996
***Planted 4/10/96--Early maturing group***
**Released varieties**
AP 4880	HyPerformer	---	---	58.5	9/03	32	1
A4715	Asgrow	56.4	49.1	54.2	8/28	29	1
HY 4540	HyPerformer	42.0	48.1	50.7	9/04	27	1
Dixie 478	Dixie	---	---	48.9	9/09	35	2
TV 4479	Terral	---	45.3	46.4	8/22	25	1
TN4-86	Public	53.0	47.3	45.8	9/08	32	2
TV 4596	Terral	---	49.9	42.3	9/05	35	2
STRESSLAND	Public	---	44.9	42.5	8/25	26	1
DP 3456	Deltapine	51.7	44.0	41.4	9/03	25	1
HBK 4600	Hornbeck	---	---	37.5	8/26	24	1
DK4860	Delta King	---	---	35.7	8/30	25	1
A4341	Asgrow	31.3	35.7	30.0	8/22	23	1
**Experimental lines**
HBK X9646	Hornbeck	---	---	52.7	8/08	32	1
F91-3076	Public	---	---	42.8	9/08	39	2
TVX 4100RR	Terral	---	---	29.6	8/25	24	1
Overall mean		42.3	46.8	43.9
LSD @ .10		5.2	6.0	9.0
Error degrees of freedom		10	28	28
CV (%)		11.1	13.1	14.8
R2%		82	24	72

Table 3B. Results of the 1996 Mississippi Soybean Variety Trials on Collins silt loam soil in DeSoto County (Olive Branch, location 3)

Maturity Group IV		Yield (bu/a)			Maturity date	Plant height (in.)	Lodging score
Variety	Brand	3-Year avg.	2-Year avg.	1996
***Planted 4/10/96--Late maturing group***
**Released varieties**
DP 3478	Deltapine	63.1	59.5	61.9	9/05	28	1
4875	Delta King	---	52.2	57.3	9/16	25	1
FFR 493	AgraTech	---	54.9	57.0	9/08	45	3
A4922	Asgrow	---	48.5	51.7	9/05	31	2
KS 4895	Public	---	---	51.3	8/24	47	2
TN4-86	Public	40.8	47.0	49.8	9/03	38	2
Manokin	Public	48.3	52.8	48.5	9/18	23	1
CX 478	DEKALB	---	48.5	47.5	8/22	33	2
RA 452	Northrup King	45.8	47.5	44.2	9/14	44	3
H4994	Hartz	45.8	50.8	44.1	9/12	22	1
9481	Pioneer	---	40.2	43.8	8/28	30	1
TN4-94	Public	43.5	49.8	43.2	9/05	40	2
P9511	Pioneer	---	---	42.7	9/08	16	3
499	Riverside	46.0	48.2	41.5	9/15	55	3
TV 4990	Terral	35.8	40.5	41.5	9/04	46	3
CX 499c	DEKALB	---	41.8	41.4	8/28	33	1
Wicomico	Public	45.7	48.7	40.5	9/15	25	1
S48-14	Northrup King	---	---	40.0	9/09	31	1
HY 498	HyPerformer	40.2	43.3	37.9	9/13	47	3
HBK 49	Hornbeck	44.0	44.6	37.1	9/15	51	4
3495	Dyna-Gro	40.1	40.5	33.3	9/08	49	4
**Experimental lines**
HBK X9649	Hornbeck	---	---	59.4	9/08	28	1
DPX 3480	Deltapine	---	---	58.0	9/06	29	2
EXP42794	AgraTech	---	---	56.3	9/08	43	3
TVX 4662	Terral	---	---	55.5	9/06	37	3
X9551	Northrup King	---	---	52.6	9/15	35	2
TVX 4770	Terral	---	---	43.1	8/30	31	2
F91-1076	Public	---	---	42.4	9/15	23	1
DPX 3497	Deltapine	---	---	38.7	9/15	33	2
Overall mean		53.3	46.9	47.0
LSD @ .10		6.9	7.9	8.1
Error degrees of freedom		73	78	56
CV (%)		16.6	17.4	12.6
R2 %		66	30	72

Table 3C. Results of the 1996 Mississippi Soybean Variety Trials on a Collins silt loam soil in DeSoto County (Olive Branch, location 3)

Maturity Group V		Yield (bu/a)			Maturity date	Plant height (in.)	Lodging score
Variety	Brand	3-Year avg.	2-Year avg.	1996
***Planted 5/3/96--Early maturing group***
**Released varieties**
A5547	Asgrow	---	59.2	67.2	10/10	35	2
DK 5850	Delta King	66.0	58.4	65.7	10/14	32	3
H5454	Hartz	64.5	57.7	65.4	10/04	34	2
HY 574	HyPerformer	66.2	58.7	64.2	10/10	37	3
DK 5475	Delta King	---	54.7	63.7	10/10	31	2
Hutcheson	Public	63.5	57.6	61.5	10/07	35	2
DP 3571S	Deltapine	---	54.6	61.5	10/14	44	3
R Robin-5	Riverside	61.4	54.2	60.4	10/07	31	2
TV 5797	Terral	---	54.0	60.3	10/09	40	2
TN5-95	Public	60.5	54.2	60.3	10/10	28	2
H5218	Hartz	63.5	55.5	58.9	10/10	37	2
AP 572STS	HyPerformer	---	55.9	58.3	10/10	36	3
FFR 514	AgraTech	---	51.6	58.0	10/05	35	2
CX 510C	DeKalb	---	---	57.9	10/05	25	2
3576	Dyna-Gro	57.6	50.3	57.8	10/07	29	3
AT 555	AgraTech	---	52.2	57.6	10/05	37	1
Delsoy 5500	Public	---	52.4	56.1	10/14	34	2
RVS 549	Riverside	61.4	54.8	56.1	10/10	32	2
S57-11	Northrup King	60.9	54.9	55.9	10/05	41	2
H5050	Hartz	---	---	55.7	10/07	43	3
TV 5495	Terral	---	50.1	55.7	10/12	43	3
DP 3519S	Deltapine	---	53.2	55.5	10/10	35	3
Dixie 579	Dixie	---	53.7	55.4	10/14	30	2
Deltapine 415	Deltapine	57.0	48.8	54.9	10/05	37	3
Rhodes	Public	52.4	45.8	53.7	10/05	40	2
5555	Terra Vig	55.9	50.7	53.4	10/10	47	4
H5545	Hartz	58.9	52.1	52.0	10/07	39	4
H5088RR	Hartz	---	48.6	51.7	10/07	36	4
RVS 77	Riverside	58.8	53.0	51.5	10/14	37	3
Dixie 544	Dixie	---	50.2	50.3	10/07	32	2
A5403	Asgrow	---	47.1	48.8	10/05	36	2
Pace	Public	---	44.4	46.9	10/07	42	4
ACCOMAC	Public	---	45.4	46.2	10/14	36	2
499	Riverside	46.4	36.1	36.5	10/05	51	4
H5233	Hartz	---	---	33.3	10/10	54	3
RVS 529I	Riverside	---	31.4	29.9	10/07	47	4
**Experimental lines**
TVX 5770	Terral	---	---	67.2	10/14	37	2
HBK X9651	Hornbeck	---	---	59.5	10/05	34	3
DGC 5530	DeKalb	---	---	58.6	10/12	27	2
HX517462	Hartz	---	---	55.9	10/10	40	4
N90-516	Public	---	---	54.2	10/05	32	2
D92-3267	Public	---	45.5	51.5	10/10	36	3
F91-1419	Public	---	45.7	48.6	10/12	32	3
TVX 5666RR	Terral	---	---	45.2	10/05	36	2
DGC 6469	DeKalb	---	---	44.2	10/03	40	3
Overall mean		59.7	51.3	54.7
LSD @ .10		5.1	6.9	6.8
Error degrees of freedom		108	168	88
CV (%)		11.0	14.1	9.1
R2 %		80	45	80

Table 3D. Results of the 1996 Mississippi Soybean Variety Trials on a Collins silt loam soil in DeSoto County (Olive Branch, location 3)

Maturity Group V Late		Yield (bu/a)			Maturity date	Plant height (in.)	Lodging score
Variety	Brand	3-Year avg.	2-Year avg.	1996
***Planted 5/3/96--Late maturing group***
**Released varieties**
A5979	Asgrow	66.6	60.8	67.9	10/10	39	3
55	Buckshot	64.1	56.1	64.6	10/02	37	3
A5848	Asgrow	---	60.9	64.5	10/13	37	2
A5944	Asgrow	---	61.6	64.5	10/10	34	1
9594	Pioneer	---	---	63.7	10/02	35	2
S59-60	Northrup King	62.6	55.3	63.4	10/15	33	4
A5855	Asgrow	62.9	56.5	62.9	10/14	38	2
9592	Pioneer	63.1	52.2	61.2	10/12	45	2
Hutcheson	Public	63.1	57.1	60.5	10/13	35	2
A5843	Asgrow	62.3	54.6	59.9	10/15	37	2
HBK 54	Hornbeck	64.2	56.3	59.1	10/10	30	1
DP 3588	Deltapine	56.4	49.2	58.2	10/05	46	2
UARK-5896	Public	58.9	52.3	56.7	10/15	41	3
H5488	Hartz	---	48.4	54.1	10/14	38	3
HSC 591	HyPerformer	57.7	53.2	52.3	10/14	35	3
EK58	Buckshot	55.7	46.6	52.1	10/14	36	3
HBK 58	Hornbeck	56.4	47.1	51.4	10/12	37	2
DP 3589	Deltapine	53.3	45.2	48.6	10/10	49	3
TV5893	Terral	---	51.1	51.8	10/07	37	4
**Experimental lines**
ACT 96-59	Asgrow	---	---	75.7	10/14	33	2
HXLA88-25723	Asgrow	---	---	59.5	10/15	41	3
DGC 60069	DeKalb	---	---	59.5	10/14	43	3
DGC 658	DeKalb	---	---	58.5	10/14	35	2
DGC 60071	DeKalb	---	---	57.0	10/05	31	2
HBK X9659	Hornbeck	---	---	57.0	10/05	41	2
R92-1327	Public	---	---	54.7	10/14	37	3
R92-1294	Public	---	---	51.4	10/07	35	2
D93-6302	Public	---	---	45.7	10/15	43	5
LDKX-51695	Delta King	---	---	45.0	10/04	39	3
D93-6598	Public	---	---	44.6	10/11	42	4
F91-1577	Public	---	---	38.8	10/12	34	4
Overall mean		60.5	53.6	56.9
LSD @ .10		5.4	7.1	5.2
Error degrees of freedom		94	88	60
CV (%)		11.4	13.8	6.7
R2 %		79	36	86

Table 3E. Results of the 1996 Mississippi Soybean Variety Trials on a Collins silt loam soil in DeSoto County (Olive Branch, location 3)

S65-50

Maturity Group VI		Yield (bu/a)			Maturity date	Plant height (in.)	Lodging score
Variety	Brand	3-Year avg.	2-Year avg.	1996
**Released varieties**
S62-62	Northrup King	---	---	74.1	10/18	36	1
H6255	Hartz	63.8	64.4	69.8	10/18	41	2
A6711	Asgrow	65.1	59.5	69.6	10/22	44	1
FFR 665	AgraTech	---	62.5	69.1	10/18	37	1
A6297	Asgrow	65.1	59.3	64.4	10/22	42	3
9592	Pioneer	65.3	57.7	63.3	10/12	48	2
RVS 678	Terra	---	---	63.0	10/22	46	2
H6191	Hartz	---	---	62.8	10/26	38	1
9611	Pioneer	---	58.3	61.9	10/22	42	2
TN6-90	Public	58.7	53.6	58.8	10/16	46	3
9692	Pioneer	64.0	56.7	58.6	10/18	42	2
AT 655	AgraTech	---	54.6	58.0	10/22	44	3
66	Buckshot	56.9	53.7	57.7	10/21	46	4
A6961	Asgrow	62.8	55.7	56.7	10/18	47	3
A6785	Asgrow	59.8	53.7	56.5	10/23	42	4
723	Buckshot	---	---	55.8	10/22	50	3
H6200	Hartz	59.7	53.3	55.6	10/10	41	4
Dillon	Public	62.6	55.5	54.8	10/18	44	2
DP 3640	Deltapine	---	52.9	54.7	10/18	51	3
H6104	Hartz	---	---	53.7	10/14	37	2
Northrup King	---	---	53.3	10/12	39	3
699	Riverside	59.2	53.1	53.0	10/22	47	2
Young	Public	57.8	50.2	51.7	10/24	46	4
9641	Pioneer	59.3	49.4	50.7	10/22	41	3
TV 6696	Terral	---	50.9	49.9	10/16	47	3
6792	Terra-Vig	54.9	47.7	49.4	10/20	40	4
P9631	Pioneer	---	---	49.4	10/10	48	3
TV 6565	Terra-Vig	56.9	49.0	48.9	10/14	46	2
HY 663	HyPerformer	---	---	47.9	10/11	46	3
DP 3681	Deltapine	---	48.7	47.3	10/19	47	3
HBK 67	Hornbeck	56.1	46.7	46.2	10/22	39	4
**Experimental lines**
ACT 96-63	Asgrow	---	---	63.7	10/23	42	3
X9662	Northrup King	---	---	58.2	10/23	43	3
HY6-X621	HyPerformer	---	---	57.7	10/21	37	4
G89-2223	Public	---	---	56.7	10/21	39	3
V88-494	Public	---	53.6	53.5	10/22	40	1
LDKX-60616	Delta King	---	---	52.8	10/20	41	3
SC89-147	Public	---	---	51.5	10/21	43	3
D93-6320	Public	---	---	49.8	10/22	48	4
45.9	10/15	41	4
SC 89-181	Public	---	43.6	40.7	10/22	42	4
Overall mean		60.5	53.8	55.7
LSD @ .10		4.0	5.3	5.6
Error degrees of freedom		115	123	84
CV (%)		8.4	10.3	7.4
R2 %		84	51	83